ITEC 320 Final

Question 1

Integrated circuits

Answer 1

An integrated circuit, or group of circuits, formed on a very small chip of material called a substrate.

Question 2

Chip

Answer 2

Another name for an integrated circuit (IC)

Question 3

Operational amplifier

Answer 3

A high-gain, direct-coupled amplifier that uses feedback to provide well-stabilized voltage gain. Also called op amp. Most often op-amps are ICs

Question 4

Op-amps have high/low input impedances and high/low output impedances

Answer 4

High input impedance and low output impedance

Question 5

Is the gain of an op-amp high or low

Answer 5

High

Question 6

An 1C is formed on a

Answer 6

Chip of silicon

Question 7

Operational amplifiers have very high input impedance’s and

Answer 7

Very low output impedance’s and high gains

Question 8

Generally, op-amp circuits use negative feedback to

Answer 8

Control the gain and stabilize the amplifier

Question 9

IC’s do not tolerate

Answer 9

Excess supply voltages

Question 10

The voltage gain of an op-amp is

Answer 10

R2/R1

Question 11

Op-amp circuits that exhibit phase reversal are

Answer 11

Inverting amplifiers

Question 12

The output from an astable multivibrator is

Answer 12

Square-wave oscillations at controlled frequencies

Question 13

In a free-running multivibrator circuit, the circuit starts oscillating when

Answer 13

Power is applied and power is removed

Question 14

This is generally used to power op-amp circuits

Answer 14

Bipolar regulated power supply